Home / 118,243.36-163,203.76-67,971.52

Finding the Fourth Proportional to 118,243.36, 163,203.76 and 67,971.52

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Solution

The fourth proportional to 118,243.36, 163,203.76 and 67,971.52 is: 93,816.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,243.36 : 163,203.76 = 67,971.52 : x
  2. Step 2: Convert to fraction form
    118,243.36/163,203.76 = 67,971.52/x
  3. Step 3: Cross multiply
    118,243.36x = 163,203.76 × 67,971.52
  4. Step 4: Simplify right side
    118,243.36x = 11,093,207,636.92
  5. Step 5: Solve for x
    x = 11,093,207,636.92/118,243.36
  6. Step 6: Final answer
    x = 93,816.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.